CN106357501A - Intelligent clock planning configuration method, device and integrated controller - Google Patents
Intelligent clock planning configuration method, device and integrated controller Download PDFInfo
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Abstract
The invention provides an intelligent clock planning configuration method, an intelligent clock planning configuration device and an integrated controller. The intelligent clock planning configuration method comprises steps of obtaining the node information of multiple network element nodes and a network topological connection relationship among the network element nodes; according to the node information and the network topological connection relationship, obtaining a clock source injection node and a connection path between the network element nodes and the clock source injection node, planning the clock source for every network element node according to the connection path, and obtaining the clock source planning result; according to the planning result of the clock source, performing the clock source configuration on ports of the network element nodes according to the clock source planning result. According to the scheme of the invention, the clock source planning and configuration are automatically performed on the ports of the network element nodes, thus problems of complex workloads for artificially configuring the clock source in a large scale network can be solved.
Description
Technical field
The present invention relates to communication technical field, more particularly, to a kind of intelligent clock planning and configuration method, device and
Centralized Controller.
Background technology
Communication network be unable to do without synchronous support, reliable high-quality business transmission, charge system, signaling system
Switching between system, base station, roaming etc. are required to accurate Synchronization Control.For time division multiplexing (tdm)
Business, if the clock frequency of the equipment of transmission is faster than the clock frequency of receiving device, receiving terminal will be periodically
Lose some give its information;If the clock frequency of receiving terminal is faster than the clock frequency of transmitting terminal, connect
Receiving end will periodically read the information that some give it again.In addition, global system for mobile communications (global
System for mobile communication, gsm), 3G (Third Generation) Moblie (3g) and Long Term Evolution
(long term evolution, lte) wireless base station eats dishes without rice or wine to need to meet 1/0.05th million (ppm)
I.e. positive and negative 5e-8, frequency accuracy require, to ensure the switching of correct base station cell.
Synchronous for ensureing that each network element can obtain clock, generally set up clock synchronous network network, in network upstream
Set up frequency synchronization apparatus (bits) to provide frequency signal output, be delivered to each net via transmission network
Unit.In transmission network, the transmission equipment of each network element node must open tdm or synchronous ether physical layer
Clock synchronizing function, and configure main/stand-by clock source for the system clock of every equipment, just enable clock same
The successively transmission of step information.
However, clock synchronous network network is related to the transmission equipment of substantial amounts, for big districts and cities,
The scale of clock network is more than 10,000 network element nodes.For one more than 10,000 network element nodes
Clock network, the synchronous ether relevant parameter how accurately configuring equipment is same to reach desired clock
Step footpath is a quite loaded down with trivial details and very big task of workload, can only rely on manually to plan at present
Synchronous path and generation equipment configuration parameter.
But, planned by artificial, clock network planning and configuration are upper highly professional, need to combine
Different network topologies is planned and is designed, configure main/stand-by clock source, and manually need by
Platform configures, and the cycle is long to cause whole net to open, and configuration work amount is very numerous and diverse.Additionally, configuration personnel
Probability mistake is also higher, and when configuration error, needs successively to look into from source
Look for, Search and Orientation is difficult.
Content of the invention
In order to overcome the above-mentioned problems in the prior art, the invention provides a kind of planning of intelligent clock is joined
Put method, device and Centralized Controller, the planning of the whole network automatic clock can be carried out and configure, solve big rule
Pass through the problem of the miscellaneous work amount of human configuration clock in lay wire network.
In order to solve above-mentioned technical problem, the present invention adopts the following technical scheme that
According to one aspect of the present invention, there is provided a kind of intelligent clock planning and configuration method, the method includes:
Obtain the network topology annexation between the nodal information of multiple network element nodes and described network element node;
Clock source injection node and network element are obtained according to described nodal information and described network topology annexation
Node injects the access path of node with described clock source, and according to described access path to net each described
First node carries out clock source planning, obtains clock source program results;
According to described clock source program results, clock source configuration is carried out to the port of described network element node.
Wherein, described clock source injection section is obtained according to described nodal information and described network topology annexation
Point and network element node inject the access path of node with described clock source, and according to described access path to each
Individual described network element node carries out clock source planning, the step obtaining clock source program results, specifically includes:
According to described nodal information and described network topology annexation, by multiple in Network Search Topology connection
Circulus and chain structure that network element node is constituted;
Network element node in described circulus and described chain structure is carried out with clock source planning, obtains clock
Source program results.
Wherein, described according to described nodal information with described network topology annexation, Network Search topology is even
The circulus being made up of multiple network element nodes in connecing and the step of chain structure, specifically include:
Choose two network element nodes as the node pair searching a circulus;
According to described node, lookup in network topology annexation is included with the circulus of described node pair;
All network element nodes all carry out circulus lookup, obtain multiple in described network topology annexation
Circulus;
The annexation of network element node that there will be no circulus is as chain structure record.
Wherein, according to described nodal information and described network topology annexation, in Network Search Topology connection
When the circulus being made up of multiple network element nodes and chain structure, methods described also includes:
Exclude the network element node that Connected degree in described network topology annexation is less than two, and with described connection
The adjacent side of the network element node less than two for the degree.
Wherein, described according to described node in network topology annexation search include described node pair
After the step of circulus, methods described also includes:
Judge whether the circulus finding is recorded, if judged result is no, record search arrives
Circulus.
Wherein, according to described node, lookup in network topology annexation is included with the ring-type of described node pair
The step of structure, specifically includes:
Search a plurality of between two network element nodes of described node pair according to described network topology annexation
Access path;
First connection path and the second access path is obtained from a plurality of described access path, wherein, described the
Access path between one access path and two network element nodes that described second access path is described node pair
When being short to long array, rank the access path of front two, and described first connection path is with described second even
Connect path non-intersect;
Obtain the circulus being made up of described first connection path and described second access path.
Wherein, clock source planning is carried out to the network element node in described circulus and described chain structure, tool
Body includes:
Judge that described clock source injects the position relationship of node and described circulus and described chain structure;
According to described position relationship, the multiple network element nodes in described circulus and described chain structure are entered
Row clock source is planned.
Wherein, described according to described position relationship to the multiple nets in described circulus and described chain structure
First node carries out in the step of clock source planning:
When a described clock source injection node is located in the first circulus, from described first circulus
Clock source injection node start, the port on a direction of described first circulus is configured to primary
Clock source, is configured to standby clock source along the port on another direction of described first circulus, wherein,
Clock source injection node no active clock source in described first circulus in described first circulus
With standby clock source.
Wherein, described according to described position relationship to the multiple nets in described circulus and described chain structure
First node carries out in the step of clock source planning:
When multiple described clock sources inject node and are located in the second circulus, note from multiple described clock sources
Two clock source injection nodes are chosen respectively as primary injection source node and standby injection source section in ingress
Point;
From the beginning of described primary injection source node, the port on a direction of described second circulus is joined
It is set to active clock source;
From the beginning of described standby injection source node, by the port on another direction of described second circulus
It is configured to standby clock source, wherein, primary injection source node in described second circulus is described second
Only standby clock source is configured, the standby injection source node in described second circulus is described in circulus
Active clock source is only configured on the second circulus.
Wherein, described according to described position relationship to the multiple nets in described circulus and described chain structure
First node carries out in the step of clock source planning:
When described clock source injection node is located in described chain structure, will be from described clock source injection source section
Point starts, and the port on the direction injecting the network element node that node is connected with described clock source is configured to primary
Clock source.
Wherein, described clock source injection section is obtained according to described nodal information and described network topology annexation
Point and network element node inject the access path of node with described clock source, and according to described access path to each
Individual described network element node carries out clock source planning, the step obtaining clock source program results, specifically includes:
According to described nodal information and described network topology annexation, injected based on network element node to clock source
The critical path method (CPM) of node carries out clock source planning to described network element node, obtains clock source program results.
Wherein, described according to described nodal information with described network topology annexation, arrived based on network element node
The critical path method (CPM) that clock source injects node carries out clock source planning to described network element node, specifically includes:
Obtain clock source injection node according to described nodal information;
Search each described network element node to described clock source inject node shortest path, and by described
Short path is as the primary path of described network element node, and by described primary path, notes along described clock source
Ingress is configured to active clock source with the wherein Single port in the closure of described network element node;
The another port searching described network element node whether there is the standby of arrival described clock source injection node
Path, if existing, by described backup path, injects node to described network element node along described clock source
Another port direction on port be configured to standby clock source.
Wherein, described along described clock source inject the end on the another port direction of described network element node for the node
After mouth is configured to standby clock source, methods described also includes:
Judge whether the direction of described active clock source and the direction in described standby clock source constitute synchronous transmission
One direction closed hoop structure;
If sentence read result is yes, delete any one in described synchronous transmission one direction closed hoop structure
The standby clock source setting of port.
Wherein, described according to described clock source program results, clock source carried out to the port of described network element node and join
The step put, specifically includes:
The port being configured to active clock source of each described network element node is added described network element node
Clock source list, and it is configured to the first priority;And/or
The port being configured to standby clock source of each described network element node is added described network element node
Clock source list, and it is configured to the second priority, wherein, described first priority is preferential higher than described second
Level.
Wherein, described according to described clock source program results, clock source carried out to the port of described network element node and join
In the step put, also include:
Described nodal information according to obtaining detects the end of each described network element node and described network element node
Whether mouth supports clock synchronizing function;
If the network element node not supporting clock synchronizing function and/or port is detected, generate described network element section
The synchronous warning information of clock is not supported in point and/or port.
According to another aspect of the present invention, additionally provide a kind of intelligent clock planning and configuration device, this device
Including:
Acquisition module, for obtaining the network between the nodal information of multiple network element nodes and described network element node
Topological connection relation;
Planning module, for obtaining clock source note according to described nodal information and described network topology annexation
Ingress and network element node inject the access path of node with described clock source, and according to described access path pair
Each described network element node carries out clock source planning, obtains clock source program results;
Configuration module, for entering row clock according to described clock source program results to the port of described network element node
Source configures.
Wherein, described planning module includes:
Path searching unit, for according to described nodal information and described network topology annexation, searching net
The circulus being made up of multiple network element nodes in network Topology connection and chain structure;
First planning unit, during for carrying out to the network element node in described circulus and described chain structure
Zhong Yuan plans, obtains clock source program results.
Wherein, described path searching unit includes:
Choose subelement, for choosing two network element nodes as the node pair searching a circulus;
First lookup subelement, for including institute according to described node to searching in network topology annexation
State the circulus of node pair;
Second lookup subelement, all carries out circulus lookup for all network element nodes, obtains described network
Multiple circuluses in topological connection relation;
Chain record subelement, for there will be no circulus network element node annexation as chain
Structure record.
Wherein, described path searching unit also includes:
Exclusion subelement, for according to described nodal information and described network topology annexation, searching net
During the circulus being made up of multiple network element nodes in network Topology connection, exclude described network topology annexation
The network element node that middle Connected degree is less than two, and the adjacent side of the network element node less than two with described Connected degree.
Wherein, described path searching unit also includes:
First judgment sub-unit, whether the circulus for judging to find is recorded, if judged result
Be no, then the circulus that record search arrives.
Wherein, described first search subelement specifically for:
Search a plurality of between two network element nodes of described node pair according to described network topology annexation
Access path;
First connection path and the second access path is obtained from a plurality of described access path, wherein, described the
Access path between one access path and two network element nodes that described second access path is described node pair
When being short to long array, rank the access path of front two, and described first connection path is with described second even
Connect path non-intersect;
Obtain the circulus being made up of described first connection path and described second access path.
Wherein, described first planning unit includes:
Second judgment sub-unit, for judging described clock source injection node and described circulus and described chain
The position relationship of shape structure;
Planning subelement, for according to described position relationship in described circulus and described chain structure
Multiple network element nodes carry out clock source planning.
Wherein, when a described clock source injection node is located in the first circulus, described planning is single
Unit specifically for:
From the beginning of the clock source injection node of described circulus, by a direction of described first circulus
On port be configured to active clock source, along on another direction of described first circulus port configuration
For standby clock source, wherein, the clock source injection node in described first circulus is in described first ring-type
No active clock source and standby clock source in structure.
Wherein, when multiple described clock sources inject node and are located in the second circulus, described planning is single
Unit specifically for:
Inject from multiple described clock sources and choose two clock source injection nodes node respectively as primary note
Enter source node and standby injection source node;
From the beginning of described primary injection source node, the port on a direction of described second circulus is joined
It is set to active clock source;
From the beginning of described standby injection source node, by the port on another direction of described second circulus
It is configured to standby clock source, wherein, primary injection source node in described second circulus is described second
Only standby clock source is configured, the standby injection source node in described second circulus is described in circulus
Active clock source is only configured on the second circulus.
Wherein, when described clock source injection node is located in described chain structure, described planning subelement tool
Body is used for: injects source node from described clock source and starts to described clock source to inject the network element section that node is connected
Port on the direction of point is configured to active clock source.
Wherein, described planning module also includes:
Second planning unit, for according to described nodal information and described network topology annexation, based on net
The critical path method (CPM) that first node injects node to clock source carries out clock source planning to described network element node, obtains
Clock source program results.
Wherein, described second planning unit includes:
Obtain subelement, for obtaining clock source injection node according to described nodal information;
Primary determination subelement, injects node for searching each described network element node to described clock source
Shortest path, and using described shortest path as described network element node primary path, and by described primary road
On footpath, inject the wherein Single port configuration in the closure that node is with described network element node along described clock source
For active clock source;
Standby determination subelement, during for searching the another port of described network element node with the presence or absence of reaching described
Zhong Yuan injects the backup path of node, if existing, by described backup path, injects along described clock source
Node is configured to standby clock source to the port on the another port direction of described network element node.
Wherein, described second planning unit also includes:
3rd judgment sub-unit, for judging the direction of described active clock source and the side in described standby clock source
To whether constituting synchronous transmission one direction closed hoop structure;
Deleting subelement, if being yes for sentence read result, deleting described synchronous transmission one direction closed hoop
The standby clock source setting of any one port in structure.
Wherein, described configuration module includes:
First dispensing unit, for adding the port being configured to active clock source of each described network element node
Enter the clock source list of described network element node, and be configured to the first priority;And/or
Second dispensing unit, for adding the port being configured to standby clock source of each described network element node
Enter the clock source list of described network element node, and be configured to the second priority, wherein, described first priority
Higher than described second priority.
Wherein, described configuration module also includes:
Detector unit, for detecting each described network element node and described according to the described nodal information obtaining
Whether the port of network element node supports clock synchronizing function;
Alarm Unit, if for the network element node not supporting clock synchronizing function and/or port is detected,
Generate described network element node and/or the synchronous warning information of clock is not supported in port.
According to another aspect of the present invention, additionally provide a kind of Centralized Controller, including in such as claim
State described intelligent clock planning and configuration device.
The invention has the beneficial effects as follows:
The intelligent clock planning and configuration method of the embodiment of the present invention, by obtaining each network element node in transmission network
Nodal information and network element node between network topology annexation, and according to nodal information and network topology
Annexation obtains clock source and injects the access path that node and clock source inject between node and network element node,
Thus clock source planning and configuration are carried out to the port of each network element node on access path so that the present invention
It is the intelligent clock planning and configuration method of embodiment, the planning of the whole network automatic clock source can be carried out and configure, replace
For artificial planning, solve numerous and diverse sex chromosome mosaicism of artificial planning.
Brief description
Fig. 1 represents the intelligent clock planning and configuration method flow diagram of the embodiment of the present invention;
Fig. 2 represents the intelligent clock planning and configuration apparatus structure block diagram of the embodiment of the present invention;
Fig. 3 represents the structured flowchart of the planning module of the embodiment of the present invention;
Fig. 4 represents the structured flowchart of the path searching unit of the embodiment of the present invention;
Fig. 5 represents the structured flowchart of the first planning unit of the embodiment of the present invention;
Fig. 6 represents the structured flowchart of the second planning unit of the embodiment of the present invention;
Fig. 7 represents the structured flowchart of the configuration module of the embodiment of the present invention;
Fig. 8 represents that the transmission network framework of the intelligent clock planning and configuration method of the application embodiment of the present invention is illustrated
Figure;
Fig. 9 represents one of circulus planning clock source principle schematic of the embodiment of the present invention;
Figure 10 represents that the circulus of the embodiment of the present invention plans the two of clock source principle schematic.
Specific embodiment
It is more fully described the exemplary embodiment of the disclosure below with reference to accompanying drawings.Although showing in accompanying drawing
The exemplary embodiment of the disclosure it being understood, however, that may be realized in various forms the disclosure and should be by
Embodiments set forth here is limited.On the contrary, these embodiments are provided to be able to be best understood from this
Open, and complete for the scope of the present disclosure can be conveyed to those skilled in the art.
Embodiment one
One side according to the embodiment of the present invention, there is provided a kind of intelligent clock planning and configuration method, the party
First, the network topology between the nodal information of the multiple network element nodes of acquisition and described network element node connects closes method
System;Then, according to described nodal information and described network topology annexation obtain clock source injection node and
Network element node injects the access path of node with described clock source, and according to described access path to each institute
State network element node and carry out clock source planning, obtain clock source program results;Finally, advise according to described clock source
Check off fruit carries out clock source configuration to the port of described network element node.
Therefore, the intelligent clock planning and configuration method of the embodiment of the present invention, based on the multiple network element nodes obtaining
Nodal information and network element node between network topology annexation, carry out the whole network automatic clock source planning and
Configuration, instead of artificial planning, solves numerous and diverse sex chromosome mosaicism of artificial planning.
As shown in figure 1, methods described includes:
Network topology between step s11, the nodal information obtaining multiple network element nodes and described network element node
Annexation.
The intelligent clock planning and configuration method of the embodiment of the present invention, in the specific implementation, can be in a transport network
Set up Centralized Controller, and it is individual respective that each network element node in networking is all reported to this Centralized Controller
Nodal information and network element node between network topology annexation, wherein, nodal information includes node
Identification code (id), node configuration board and port, this network element node whether support clock synchronizing function
And the support situation that each port of network element node is synchronous to clock.
Step s13, obtain clock source injection section according to described nodal information and described network topology annexation
Point and network element node inject the access path of node with described clock source, and according to described access path to each
Individual described network element node carries out clock source planning, obtains clock source program results.
In prior art, during by being manually network element node planning and configuration clock source, due to there is no testing mechanism,
Be difficult to avoid that configuration error, be such as configured without standby clock source, lead to active clock source lose when network no
Method is synchronous, and when adopting standby transport link in synchronous net, may pass through primary and backup timing base
Transmission link forms loop, i.e. timing loop, thus cause synchronizing quality to decline rapidly.
However, in the intelligent clock planning and configuration method of the embodiment of the present invention, row clock is entered to network element node
In the step of source planning, mainly can search method or based on network element node to injection source section using based on circulus
The critical path method (CPM) of point, can be prevented effectively from the problem producing timing loop.
Based on circulus lookup method:
Step s13 specifically includes:
According to described nodal information and described network topology annexation, by multiple in Network Search Topology connection
Circulus and chain structure that network element node is constituted;
Network element node in described circulus and described chain structure is carried out with clock source planning, obtains clock
Source program results.
It is necessary first to the circulus in Network Search Topology connection and chain in based on circulus lookup method
Shape structure, then carries out clock source planning to the network element node in circulus and chain structure respectively.
Wherein, described according to described nodal information with described network topology annexation, Network Search topology is even
The circulus being made up of multiple network element nodes in connecing and the step of chain structure, specifically include:
Choose two network element nodes as the node pair searching a circulus;
According to described node, lookup in network topology annexation is included with the circulus of described node pair;
All network element nodes all carry out circulus lookup, obtain multiple in described network topology annexation
Circulus;
The annexation of network element node that there will be no circulus is as chain structure record.
According to described node, lookup in network topology annexation is included with the circulus of described node pair
Step, specifically include:
Search a plurality of between two network element nodes of described node pair according to described network topology annexation
Access path;
First connection path and the second access path is obtained from a plurality of described access path, wherein, described the
Access path between one access path and two network element nodes that described second access path is described node pair
When being short to long array, rank the access path of front two, and described first connection path is with described second even
Connect path non-intersect;
Obtain the circulus being made up of described first connection path and described second access path.
Preferably, in order to more rapidly search circulus, reduce operand, also can carry out ring
During the lookup of shape structure, the network element node that in exclusion network topology annexation, Connected degree is less than two, Yi Jiyu
The adjacent side of this network element node.Wherein, Connected degree refers to other network element sections of each network element node connection
The number of point.
Preferably due to according to different nodes pair, the circulus that may find is same, then for
Avoid repeating to record, described include described section according to described node to searching in network topology annexation
Point to circulus step after, methods described also includes:
Judge whether the circulus finding is recorded, if judged result is no, record search arrives
Circulus.
Specifically, for example, for example network topology connect include a, b, c, d, e, f, g,
This ten network element nodes of h, i, j, and its network topology annexation, as shown in figure 8, then carrying out ring
When shape structure and chain structure are searched, first, exclusion Connected degree is less than two network element node and its adjacent side,
I.e. j and the side adjacent with j;Then, two are chosen from remaining network element node, such as a and b conduct
Node pair, wherein, the mode of selection node pair can adopt and randomly select mode or select in a certain order
Take;Then, search the access path between a and b, and by the distance of all access paths from short to long
Arrangement, chooses the access path ranking front two, is designated as first connection path p1 and the second access path p2,
Then p1 and p2 constitutes a circulus, and wherein, the lookup of p1 and p2 can adopt signal source shortest path
(dijkstra) algorithm;Again, judge p1 and p2 constitute circulus whether record, if not by
Record, then record;Again, change other nodes pair, carry out circulus lookup, until whole network elements
Node has all carried out circulus lookup;Finally, during network topology connects, remove circulus, remaining
It is chain structure, carry out recording.
Wherein, described clock source planning is carried out to the network element node in described circulus and described chain structure,
Specifically include:
Judge that described clock source injects the position relationship of node and described circulus and described chain structure;
According to described position relationship, the multiple network element nodes in described circulus and described chain structure are entered
Row clock source is planned.
In the intelligent clock planning and configuration method of the embodiment of the present invention, according to position relationship to circulus and chain
Network element node in shape structure is carried out in the step of clock source planning, is according to transmission network as shown in Figure 8
Framework schematic diagram, is successively planned.
Specifically, as shown in figure 8, first looking for the clock source injection node of the superiors, clock source now
Injection node refers to the network element node being connected with the equipment that can provide frequency signal output, such as bits,
I.e. a and b;Then, through judging to learn that a and b is located in same circulus, then according to clock source
Injection node a and b carries out clock source planning to this circulus;Again, the ground floor shown in as Fig. 8
Circulus planning finish after, other network element nodes in this circulus, i.e. d and c, can make
Inject node for new clock source, and judge that d and c and the position of other circuluses and chain structure are closed
System;Again, it is located in the different circuluses of second layer network architecture respectively through judging d and c, then divide
Other clock source planning is carried out to the network element node in this two different circuluses;Finally, according to above-mentioned side
Method, after carrying out successively clock source planning, you can obtain the clock of whole transmission network to the transmission network shown in Fig. 8
Source program results, that is, each port of each network element node need to configure active clock source or standby clock
Source.
Wherein, described according to described position relationship to the multiple nets in described circulus and described chain structure
First node carries out in the step of clock source planning:
When a described clock source injection node is located in described first circulus, as shown in figure 9, from
The clock source injection node of described first circulus starts, by a direction of described first circulus
Port on (the solid arrow direction for example shown in Fig. 9) is configured to active clock source, along described first ring
When port on another direction (the dotted arrow direction for example shown in Fig. 9) of shape structure is configured to standby
Zhong Yuan, wherein, the clock source in described first circulus injects node nothing in described first circulus
Active clock source and standby clock source, i.e. network element node 1 no active clock in circulus shown in Fig. 9
Source and standby clock source, provide only clock output.Wherein, in network topology connection, network element node 1
Be also possible to be located in other circuluses or chain structure simultaneously, then network element node 1 in other circuluses or
Clock source configuration mode in chain structure then may with circulus as shown in Figure 9 on configuration mode
No longer identical, need to configure according to the concrete condition of its residing circulus or chain structure.
When multiple described clock sources inject node and are located in described second circulus, as shown in Figure 10,
Inject from multiple described clock sources and choose two clock source injection nodes node respectively as primary injection source
Node and standby injection source node;From the beginning of described primary injection source node, by described second circulus
Port on one direction (the solid arrow direction for example shown in Figure 10) is configured to active clock source;From
Described standby injection source node starts, by another direction (such as Figure 10 institute of described second circulus
The dotted arrow direction showing) on port be configured to standby clock source, wherein, in described second circulus
Primary injection source node in described second circulus only configuration standby clock source, described second ring-type knot
Standby injection source node on structure only configures active clock source in described second circulus, that is, as Figure 10
2 configuration standby clock sources of network element node in shown circulus, when 7 configurations of network element node are primary
Zhong Yuan.It is, of course, understood that this kind of clock source formula for network element node 2 and network element node 7
Formula, is only limited in the circulus shown in Figure 10, when being in other circuluses or chain structure,
Also need to be configured according to practical situation.
When described clock source injection node is located in described chain structure, will be from described clock source injection source section
Point starts, and the port on the direction injecting the network element node that node is connected with described clock source is configured to primary
Clock source.
The intelligent clock planning and configuration method of the embodiment of the present invention, injects source node and circulus for clock
With chain structure different position relationships, using above-mentioned different planning strategy, can be effectively prevented from producing
Raw timing loop problem.
Critical path method (CPM) based on network element node to clock source injection node:
Step s13 specifically includes:
According to described nodal information and described network topology annexation, injected based on network element node to clock source
The critical path method (CPM) of node carries out clock source planning to described network element node, obtains clock source program results.
Wherein, described according to described nodal information with described network topology annexation, arrived based on network element node
The critical path method (CPM) that clock source injects node carries out clock source planning to described network element node, specifically includes:
Obtain clock source injection node according to described nodal information;
Search each described network element node to described clock source inject node shortest path, and by described
Short path is as the primary path of described network element node, and by described primary path, notes along described clock source
Ingress is configured to active clock source with the wherein Single port in the closure of described network element node;
The another port searching described network element node whether there is the standby of arrival described clock source injection node
Path, if existing, by described backup path, injects node to described network element node along described clock source
Another port direction on port be configured to standby clock source;
Judge whether the direction of described active clock source and the direction in described standby clock source constitute synchronous transmission
One direction closed hoop structure;
If sentence read result is yes, delete any one in described synchronous transmission one direction closed hoop structure
The standby clock source setting of port.
It follows that based on network element node to the critical path method (CPM) of injection source node, product equally can be prevented effectively from
Raw timing loop problem.
Step s15, according to described clock source program results, clock source is carried out to the port of described network element node and join
Put.
Wherein, step s15 specifically includes:
The port being configured to active clock source of each described network element node is added described network element node
Clock source list, and it is configured to the first priority;And/or
The port being configured to standby clock source of each described network element node is added described network element node
Clock source list, and it is configured to the second priority, wherein, described first priority is preferential higher than described second
Level.
In addition, during carrying out clock source configuration, it is understood that there may be do not support the network element of clock synchronizing function
Some port of node or network element node, then need the port to each network element node and this network element node
Carry out real-time detection, if when the network element node not supporting clock synchronizing function and/or port is detected,
Then generate described network element node and/or the synchronous warning information of clock is not supported in port.
Embodiment two
A kind of other side according to the embodiment of the present invention, there is provided intelligent clock planning and configuration device, such as
Shown in Fig. 2, this device 200 includes:
Acquisition module 201, for obtaining between nodal information and the described network element node of multiple network element nodes
Network topology annexation;
Planning module 203, for obtaining clock according to described nodal information and described network topology annexation
Node and network element node are injected in source and described clock source injects the access path of node, and according to described link road
Footpath carries out clock source planning to network element node each described, obtains clock source program results;
Configuration module 205, for carrying out to the port of described network element node according to described clock source program results
Clock source configures.
Alternatively, as shown in figure 3, described planning module 203 includes:
Path searching unit 2031, for according to described nodal information and described network topology annexation,
The circulus being made up of multiple network element nodes in Network Search Topology connection and chain structure;
First planning unit 2032, for the network element node in described circulus and described chain structure
Carry out clock source planning, obtain clock source program results.
Alternatively, as shown in figure 4, described path searching unit 2031 includes:
Choose subelement 20312, for choosing two network element nodes as the node pair searching a circulus;
First lookup subelement 20313, for searching in network topology annexation according to described node
Circulus including described node pair;
Second lookup subelement 20315, all carries out circulus lookup for all network element nodes, obtains institute
State the multiple circuluses in network topology annexation;
Chain record subelement 20316, the annexation for there will be no the network element node of circulus is made
For chain structure record.
Alternatively, as shown in figure 4, described path searching unit 2031 also includes:
Exclusion subelement 20311, for according to described nodal information and described network topology annexation,
During the circulus being made up of multiple network element nodes in Network Search Topology connection, the described network topology of exclusion is even
Connect the network element node that in relation, Connected degree is less than two, and the network element node less than two is adjacent with described Connected degree
Side.
Alternatively, as shown in figure 4, described path searching unit 2031 also includes:
First judgment sub-unit 20314, whether the circulus for judging to find is recorded, if sentencing
Disconnected result is no, then the circulus that record search arrives.
Alternatively, described first search subelement 20313 specifically for:
Search a plurality of between two network element nodes of described node pair according to described network topology annexation
Access path;
First connection path and the second access path is obtained from a plurality of described access path, wherein, described the
Access path between one access path and two network element nodes that described second access path is described node pair
When being short to long array, rank the access path of front two, and described first connection path is with described second even
Connect path non-intersect;
Obtain the circulus being made up of described first connection path and described second access path.
Alternatively, as shown in figure 5, described first planning unit 2032 includes:
Second judgment sub-unit 20321, for judge described clock source injection node and described circulus and
The position relationship of described chain structure;
Planning subelement 20322, for tying to described circulus and described chain according to described position relationship
Multiple network element nodes on structure carry out clock source planning.
Alternatively, when a described clock source injection node is located in the first circulus, described planning
Unit 20322 specifically for:
From the beginning of the clock source injection node of described first circulus, by one of described first circulus
Port on direction is configured to active clock source, the port along on another direction of described first circulus
It is configured to standby clock source, wherein, clock source in described first circulus injection node is described first
No active clock source and standby clock source in circulus.
Alternatively, when multiple described clock sources inject node and are located in the second circulus, described planning
Unit 20322 specifically for:
Inject from multiple described clock sources and choose two clock source injection nodes node respectively as primary note
Enter source node and standby injection source node;
From the beginning of described primary injection source node, the port on a direction of described second circulus is joined
It is set to active clock source;
From the beginning of described standby injection source node, by the port on another direction of described second circulus
It is configured to standby clock source, wherein, primary injection source node in described second circulus is described second
Only standby clock source is configured, the standby injection source node in described second circulus is described in circulus
Active clock source is only configured on the second circulus.
Alternatively, when described clock source injection node is located in described chain structure, described planning subelement
20322 specifically for: will from described clock source injection source node from the beginning of, to described clock source inject node
The port on the direction of network element node connecting is configured to active clock source.
Alternatively, as shown in figure 3, described planning module also includes:
Second planning unit 2033, for according to described nodal information and described network topology annexation,
Clock source rule are carried out to described network element node based on the critical path method (CPM) that network element node to clock source injects node
Draw, obtain clock source program results.
Alternatively, as shown in fig. 6, described second planning unit 2033 includes:
Obtain subelement 20331, for obtaining clock source injection node according to described nodal information;
Primary determination subelement 20332, injects to described clock source for searching each described network element node
The shortest path of node, and using described shortest path as described network element node primary path, and will be described
On primary path, inject the wherein one end in the closure that node is with described network element node along described clock source
Mouth is configured to active clock source;
Standby determination subelement 20333, the another port for searching described network element node whether there is arrival
Described clock source injects the backup path of node, if existing, by described backup path, along described clock
Source injection node is configured to standby clock source to the port on the another port direction of described network element node.
Alternatively, as shown in fig. 6, described second planning unit 2033 also includes:
3rd judgment sub-unit 20334, for judging the direction of described active clock source and described standby clock
Whether the direction in source constitutes synchronous transmission one direction closed hoop structure;
Delete subelement 20335, if being yes for sentence read result, deleting described synchronous transmission one direction and closing
Close the standby clock source setting of any one port in circulus.
Alternatively, as shown in fig. 7, described configuration module 205 includes:
First dispensing unit 2051, for by the active clock source that is configured to of each described network element node
Port adds the clock source list of described network element node, and is configured to the first priority;And/or
Second dispensing unit 2052, for being configured to standby clock source by each described network element node
Port adds the clock source list of described network element node, and is configured to the second priority, wherein, described first
Priority is higher than described second priority.
Alternatively, as shown in fig. 7, described configuration module 205 also includes:
Detector unit 2053, for detecting each described network element node according to the described nodal information obtaining
And whether the port of described network element node support clock synchronizing function;
Alarm Unit 2054, if for the network element node not supporting clock synchronizing function and/or port is detected,
Then generate described network element node and/or the synchronous warning information of clock is not supported in port.
Embodiment three
A kind of one side according to the embodiment of the present invention, there is provided Centralized Controller, including such as claim
Intelligent clock planning and configuration device described above.
Above-described is the preferred embodiment of the present invention it should be pointed out that ordinary people for the art
For member, some improvements and modifications can also be made under the premise of without departing from principle of the present invention, these
Improvements and modifications are also within the scope of the present invention.
Claims (31)
1. a kind of intelligent clock planning and configuration method is it is characterised in that methods described includes:
Obtain the network topology annexation between the nodal information of multiple network element nodes and described network element node;
Clock source injection node and network element are obtained according to described nodal information and described network topology annexation
Node injects the access path of node with described clock source, and according to described access path to net each described
First node carries out clock source planning, obtains clock source program results;
According to described clock source program results, clock source configuration is carried out to the port of described network element node.
2. the method for claim 1 is it is characterised in that described according to described nodal information and described
Network topology annexation obtains clock source and injects node and network element node and described clock source injection node
Access path, and according to described access path, clock source planning is carried out to network element node each described, obtain
The step of clock source program results, specifically includes:
According to described nodal information and described network topology annexation, by multiple in Network Search Topology connection
Circulus and chain structure that network element node is constituted;
Network element node in described circulus and described chain structure is carried out with clock source planning, obtains clock
Source program results.
3. method as claimed in claim 2 is it is characterised in that described according to described nodal information and described
Network topology annexation, the circulus being made up of multiple network element nodes in Network Search Topology connection and chain
The step of shape structure, specifically includes:
Choose two network element nodes as the node pair searching a circulus;
According to described node, lookup in network topology annexation is included with the circulus of described node pair;
All network element nodes all carry out circulus lookup, obtain multiple in described network topology annexation
Circulus;
The annexation of network element node that there will be no circulus is as chain structure record.
4. method as claimed in claim 3 is it is characterised in that according to described nodal information and described network
Topological connection relation, during the circulus being made up of multiple network element nodes in Network Search Topology connection, described
Method also includes:
Exclude the network element node that Connected degree in described network topology annexation is less than two, and with described connection
The adjacent side of the network element node less than two for the degree.
5. method as claimed in claim 3 is it is characterised in that described open up in network according to described node
After flutterring the step of circulus that in annexation, lookup includes described node pair, methods described also includes:
Judge whether the circulus finding is recorded, if judged result is no, record search arrives
Circulus.
6. method as claimed in claim 3 is it is characterised in that connect in network topology according to described node
Connect the step searching the circulus including described node pair in relation, specifically include:
Search a plurality of between two network element nodes of described node pair according to described network topology annexation
Access path;
First connection path and the second access path is obtained from a plurality of described access path, wherein, described the
Access path between one access path and two network element nodes that described second access path is described node pair
When being short to long array, rank the access path of front two, and described first connection path is with described second even
Connect path non-intersect;
Obtain the circulus being made up of described first connection path and described second access path.
7. method as claimed in claim 2 it is characterised in that described to described circulus with described chain
Network element node in shape structure carries out clock source planning, specifically includes:
Judge that described clock source injects the position relationship of node and described circulus and described chain structure;
According to described position relationship, the multiple network element nodes in described circulus and described chain structure are entered
Row clock source is planned.
8. method as claimed in claim 7 it is characterised in that described according to described position relationship to described
Multiple network element nodes in circulus and described chain structure carry out in the step of clock source planning:
When a described clock source injection node is located in the first circulus, from described first circulus
Clock source injection node start, the port on a direction of described first circulus is configured to primary
Clock source, is configured to standby clock source along the port on another direction of described first circulus, wherein,
Clock source injection node no active clock source in described first circulus in described first circulus
With standby clock source.
9. method as claimed in claim 7 it is characterised in that described according to described position relationship to described
Multiple network element nodes in circulus and described chain structure carry out in the step of clock source planning:
When multiple described clock sources inject node and are located in the second circulus, note from multiple described clock sources
Two clock source injection nodes are chosen respectively as primary injection source node and standby injection source section in ingress
Point;
From the beginning of described primary injection source node, the port on a direction of described second circulus is joined
It is set to active clock source;
From the beginning of described standby injection source node, by the port on another direction of described second circulus
It is configured to standby clock source, wherein, primary injection source node in described second circulus is described second
Only standby clock source is configured, the standby injection source node in described second circulus is described in circulus
Active clock source is only configured on the second circulus.
10. method as claimed in claim 7 it is characterised in that described according to described position relationship to institute
The multiple network element nodes stated in circulus and described chain structure carry out in the step of clock source planning:
When described clock source injection node is located in described chain structure, will be from described clock source injection source section
Point starts, and the port on the direction injecting the network element node that node is connected with described clock source is configured to primary
Clock source.
11. the method for claim 1 it is characterised in that described according to described nodal information with institute
State network topology annexation and obtain clock source injection node and network element node and described clock source injection node
Access path, and according to described access path, clock source planning is carried out to network element node each described, obtains
The step taking clock source program results, specifically includes:
According to described nodal information and described network topology annexation, injected based on network element node to clock source
The critical path method (CPM) of node carries out clock source planning to described network element node, obtains clock source program results.
12. methods as claimed in claim 11 it is characterised in that described according to described nodal information with institute
State network topology annexation, the critical path method (CPM) of node is injected to described net based on network element node to clock source
First node carries out clock source planning, specifically includes:
Obtain clock source injection node according to described nodal information;
Search each described network element node to described clock source inject node shortest path, and by described
Short path is as the primary path of described network element node, and by described primary path, notes along described clock source
Ingress is configured to active clock source with the wherein Single port in the closure of described network element node;
The another port searching described network element node whether there is the standby of arrival described clock source injection node
Path, if existing, by described backup path, injects node to described network element node along described clock source
Another port direction on port be configured to standby clock source.
13. methods as claimed in claim 12 are it is characterised in that described inject node along described clock source
After port on the another port direction of described network element node is configured to standby clock source, methods described is also
Including:
Judge whether the direction of described active clock source and the direction in described standby clock source constitute synchronous transmission
One direction closed hoop structure;
If sentence read result is yes, delete any one in described synchronous transmission one direction closed hoop structure
The standby clock source setting of port.
14. the method for claim 1 are it is characterised in that described plan knot according to described clock source
The step that fruit carries out clock source configuration to the port of described network element node, specifically includes:
The port being configured to active clock source of each described network element node is added described network element node
Clock source list, and it is configured to the first priority;And/or
The port being configured to standby clock source of each described network element node is added described network element node
Clock source list, and it is configured to the second priority, wherein, described first priority is preferential higher than described second
Level.
15. methods as claimed in claim 14 are it is characterised in that described plan knot according to described clock source
The step that fruit carries out clock source configuration to the port of described network element node, also includes:
Described nodal information according to obtaining detects the end of each described network element node and described network element node
Whether mouth supports clock synchronizing function;
If the network element node not supporting clock synchronizing function and/or port is detected, generate described network element section
The synchronous warning information of clock is not supported in point and/or port.
A kind of 16. intelligent clock planning and configuration devices are it is characterised in that include:
Acquisition module, for obtaining the network between the nodal information of multiple network element nodes and described network element node
Topological connection relation;
Planning module, for obtaining clock source note according to described nodal information and described network topology annexation
Ingress and network element node inject the access path of node with described clock source, and according to described access path pair
Each described network element node carries out clock source planning, obtains clock source program results;
Configuration module, for entering row clock according to described clock source program results to the port of described network element node
Source configures.
17. devices as claimed in claim 16 are it is characterised in that described planning module includes:
Path searching unit, for according to described nodal information and described network topology annexation, searching net
The circulus being made up of multiple network element nodes in network Topology connection and chain structure;
First planning unit, during for carrying out to the network element node in described circulus and described chain structure
Zhong Yuan plans, obtains clock source program results.
18. devices as claimed in claim 17 are it is characterised in that described path searching unit includes:
Choose subelement, for choosing two network element nodes as the node pair searching a circulus;
First lookup subelement, for including institute according to described node to searching in network topology annexation
State the circulus of node pair;
Second lookup subelement, all carries out circulus lookup for all network element nodes, obtains described network
Multiple circuluses in topological connection relation;
Chain record subelement, for there will be no circulus network element node annexation as chain
Structure record.
19. devices as claimed in claim 18 are it is characterised in that described path searching unit also includes:
Exclusion subelement, for according to described nodal information and described network topology annexation, searching net
During the circulus being made up of multiple network element nodes in network Topology connection, exclude described network topology annexation
The network element node that middle Connected degree is less than two, and the adjacent side of the network element node less than two with described Connected degree.
20. devices as claimed in claim 18 are it is characterised in that described path searching unit also includes:
First judgment sub-unit, whether the circulus for judging to find is recorded, if judged result
Be no, then the circulus that record search arrives.
21. devices as claimed in claim 18 are it is characterised in that described first lookup subelement is specifically used
In:
Search a plurality of between two network element nodes of described node pair according to described network topology annexation
Access path;
First connection path and the second access path is obtained from a plurality of described access path, wherein, described the
Access path between one access path and two network element nodes that described second access path is described node pair
When being short to long array, rank the access path of front two, and described first connection path is with described second even
Connect path non-intersect;
Obtain the circulus being made up of described first connection path and described second access path.
22. devices as claimed in claim 17 are it is characterised in that described first planning unit includes:
Second judgment sub-unit, for judging described clock source injection node and described circulus and described chain
The position relationship of shape structure;
Planning subelement, for according to described position relationship in described circulus and described chain structure
Multiple network element nodes carry out clock source planning.
23. devices as claimed in claim 22 inject node it is characterised in that working as a described clock source
When in the first circulus, described planning subelement specifically for:
From the beginning of the clock source injection node of described first circulus, by one of described first circulus
Port on direction is configured to active clock source, the port along on another direction of described first circulus
It is configured to standby clock source, wherein, clock source in described first circulus injection node is described first
No active clock source and standby clock source in circulus.
24. devices as claimed in claim 22 inject nodes it is characterised in that working as multiple described clock sources
When in the second circulus, described planning subelement specifically for:
Inject from multiple described clock sources and choose two clock source injection nodes node respectively as primary note
Enter source node and standby injection source node;
From the beginning of described primary injection source node, the port on a direction of described second circulus is joined
It is set to active clock source;
From the beginning of described standby injection source node, by the port on another direction of described second circulus
It is configured to standby clock source, wherein, primary injection source node in described second circulus is described second
Only standby clock source is configured, the standby injection source node in described second circulus is described in circulus
Active clock source is only configured on the second circulus.
25. devices as claimed in claim 22 are it is characterised in that be located at when described clock source injects node
When in described chain structure, described planning subelement specifically for: will from described clock source injection source node open
Begin, the port on the direction injecting the network element node that node is connected with described clock source is configured to active clock
Source.
26. devices as claimed in claim 16 are it is characterised in that described planning module also includes:
Second planning unit, for according to described nodal information and described network topology annexation, based on net
The critical path method (CPM) that first node injects node to clock source carries out clock source planning to described network element node, obtains
Clock source program results.
27. devices as claimed in claim 26 are it is characterised in that described second planning unit includes:
Obtain subelement, for obtaining clock source injection node according to described nodal information;
Primary determination subelement, injects node for searching each described network element node to described clock source
Shortest path, and using described shortest path as described network element node primary path, and by described primary road
On footpath, inject the wherein Single port configuration in the closure that node is with described network element node along described clock source
For active clock source;
Standby determination subelement, during for searching the another port of described network element node with the presence or absence of reaching described
Zhong Yuan injects the backup path of node, if existing, by described backup path, injects along described clock source
Node is configured to standby clock source to the port on the another port direction of described network element node.
28. devices as claimed in claim 27 are it is characterised in that described second planning unit also includes:
3rd judgment sub-unit, for judging the direction of described active clock source and the side in described standby clock source
To whether constituting synchronous transmission one direction closed hoop structure;
Deleting subelement, if being yes for sentence read result, deleting described synchronous transmission one direction closed hoop
The standby clock source setting of any one port in structure.
29. devices as claimed in claim 16 are it is characterised in that described configuration module includes:
First dispensing unit, for adding the port being configured to active clock source of each described network element node
Enter the clock source list of described network element node, and be configured to the first priority;And/or
Second dispensing unit, for adding the port being configured to standby clock source of each described network element node
Enter the clock source list of described network element node, and be configured to the second priority, wherein, described first priority
Higher than described second priority.
30. devices as claimed in claim 29 are it is characterised in that described configuration module also includes:
Detector unit, for detecting each described network element node and described according to the described nodal information obtaining
Whether the port of network element node supports clock synchronizing function;
Alarm Unit, if for the network element node not supporting clock synchronizing function and/or port is detected,
Generate described network element node and/or the synchronous warning information of clock is not supported in port.
A kind of 31. Centralized Controllers are it is characterised in that include as described in claim 16~30 any one
Intelligent clock planning and configuration device.
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CN107547159A (en) * | 2016-06-28 | 2018-01-05 | 华为技术有限公司 | A kind of planing method and management equipment in clock tracing path |
CN107547159B (en) * | 2016-06-28 | 2019-05-21 | 华为技术有限公司 | A kind of planing method and management equipment in clock tracing path |
CN110865962A (en) * | 2019-10-09 | 2020-03-06 | 北京空间机电研究所 | Dynamically configurable high-precision and high-reliability clock network |
CN112039694A (en) * | 2020-08-18 | 2020-12-04 | 烽火通信科技股份有限公司 | Clock configuration management method and device for communication network equipment |
CN112039694B (en) * | 2020-08-18 | 2023-03-24 | 烽火通信科技股份有限公司 | Clock configuration management method and device for communication network equipment |
CN112910689A (en) * | 2021-01-18 | 2021-06-04 | Ut斯达康通讯有限公司 | Clock network topology construction method and system |
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